Chair



FIG. 1 is a front perspective view of a chair, showing my new design;

FIG. 2 is a side view thereof taken from the left of FIG. 4;

FIG. 3 is a side view thereof taken from the right of FIG. 4;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a top plan view thereof. 

I claim, the ornamental design for a chair, as shown and described. 